Sagittaria demersa
Species of aquatic plant
From Wikipedia, the free encyclopedia
Sagittaria demersa, commonly called Chihuahuan arrowhead,[2] is an annual aquatic plant growing up to 60 centimetres (24 inches) tall. The leaves are flat, very long and narrow, up to 55 cm (22 in) long but rarely more than 7 millimetres (1⁄4 in) across.[3]
| Chihuahuan arrowhead | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Alismatales |
| Family: | Alismataceae |
| Genus: | Sagittaria |
| Species: | S. demersa |
| Binomial name | |
| Sagittaria demersa J.G.Sm. | |
| Synonyms[1] | |
|
Sagittaria triquetra Sessé & Moc. | |
The species is native to north-central Mexico (Chihuahua, Durango. Hidalgo, Aguascalientes, Jalisco and Querétaro) and also from a few sites in the northern part of the US State of New Mexico (Mora and Colfax Counties).[4][5][6][7] The plant occurs mostly submerged in streams and lakes.[3]